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553 Kundry (A904 YA)
Classification: Main-belt Asteroid          SPK-ID: 2000553
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1093208258182762 3.2951e-08  
a 2.231661398914344 5.776e-09 au
q 1.987694331838258 7.4794e-08 au
i 5.386851464126537 3.5615e-06 deg
node 72.36316086751593 4.0425e-05 deg
peri 354.617461881989 4.4348e-05 deg
M 244.9752717571514 1.8929e-05 deg
tp 2459389.571656681036
(2021-Jun-24.07165668)
6.4357e-05 TDB
period 1217.701606818457
3.33
4.7275e-06
1.294e-08
d
yr
n .2956389299186259 1.1478e-09 deg/d
Q 2.475628465990429 6.4075e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2683  
   data-arc span      42220 days (115.59 yr)  
   first obs. used      1904-12-27  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38828  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:18:09  

Additional Information
 Earth MOID = 1.00165 au 
 Jupiter MOID = 2.76471 au 
 T_jup = 3.628 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456706.5 (2014-Feb-18.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1096510348465565 3.3049e-08  
q 1.986179578209417 7.5059e-08 au
tp 2456955.012682355177
(2014-Oct-24.51268236)
6.2359e-05 TDB
node 72.41585284627863 4.0388e-05 deg
peri 354.5662708484473 4.427e-05 deg
i 5.390036291027292 3.5637e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2683  
   data-arc span      42220 days (115.59 yr)  
   first obs. used      1904-12-27  
   last obs. used      2020-07-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38828  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:18:09  

Additional Information
 Jupiter MOID = 2.76471 au 
 T_jup = 3.628 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.092222628792664E-15 -2.475172407000163E-15 -4.964635019558221E-13 6.198775247960541E-15 -1.530476330090949E-13 -3.100147511876333E-16
q -2.475172407000163E-15 5.633779887974043E-15 1.136703235997147E-12 -1.416409084995243E-14 3.47904580386437E-13 7.082568895243677E-16
tp -4.964635019558221E-13 1.136703235997147E-12 3.888641166160618E-9 -5.247812888115646E-12 1.14361989413738E-9 -4.105570804182351E-13
node 6.198775247960541E-15 -1.416409084995243E-14 -5.247812888115646E-12 1.631209186842035E-9 -1.625191082540273E-9 -2.342759150931457E-11
peri -1.530476330090949E-13 3.47904580386437E-13 1.14361989413738E-9 -1.625191082540273E-9 1.959807202600907E-9 2.323034248453408E-11
i -3.100147511876333E-16 7.082568895243677E-16 -4.105570804182351E-13 -2.342759150931457E-11 2.323034248453408E-11 1.269996500107547E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.2   n/a MPO384749  
diameter diameter 9.010 km 0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 12.605 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2005) Minor Planet Bull. 32, 66-68.]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Broz, M.; Durech, J.; Warner, B.D.; et al. (2013) Astron. Astrophys. 559, A134.]
geometric albedo albedo 0.287   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

553 Kundry (A904 YA)          Discovered 1904-Dec-27 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A904 YA = 1932 CL = 1957 UB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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